draw.io is a JavaScript, client-side editor for general diagramming.
p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org
A high-performance, 100% client-side tool for removing Gemini AI image & video watermarks. Built with pure JavaScript using mathematically precise Reverse Alpha Blending. / 基于 JavaScript 的纯浏览器端 Gemini AI 图像和视频无损去水印工具,使用数学精确的反向 Alpha 混合算法
Client-side JavaScript PDF generation for everyone.
GeoIP is a client-side geospatial intelligence and telecommunications analysis dashboard. Designed with a high-contrast "Signal Noir" UI, it allows users to locate target IP addresses, acquire high-accuracy device GPS coordinates, preview Google Street View imagery, and perform phone number analysis based on international numbering plans.
A simple, lightweight JavaScript API for handling cookies, client-side.
A declarative, HTML-based language that makes building web apps fun
Client-side HTML-to-PDF rendering using pure JS.
:satellite: BroadcastChannel to send data between different browser-tabs or nodejs-processes :satellite: + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/
A browser-based video editor powered by ffmpeg.wasm. No uploads, no servers -- all processing happens locally in your browser using WebAssembly.
Notiflix is a dependency-free, secure, and lightweight JavaScript library built with pure JavaScript, offering client-side non-blocking notifications, popup boxes, loading indicators, and more.
A client-side includes tag.
A client-side JavaScript spellchecker that uses Hunspell-style dictionaries.
A Markdown Editor That Lives in Your Browser, Desktop, and a Single URL. Fast GitHub-style Markdown editing with live preview, diagrams, LaTeX, syntax highlighting, PDF export, and multi-tab support across web, desktop, and Docker.
Drop a document. Get clean Markdown. No AI, no account, no history.
Drop into a 2D battle royale arena with up to 64 players. Loot weapons, armor, and healing items across a 4096×4096 tile-based map while a deadly storm forces you into the final circle. Built for the browser with real-time multiplayer sync, authoritative server physics, and smooth client-side prediction.
SillyTavern extension: client-side reasoning_content thinking prefill for Kimi/Moonshot models (kimi-k3-jb patch equivalent, no server modifications)